Home / 614,815.89-848,598.05-418,906.47

Finding the Fourth Proportional to 614,815.89, 848,598.05 and 418,906.47

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Solution

The fourth proportional to 614,815.89, 848,598.05 and 418,906.47 is: 578,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,815.89 : 848,598.05 = 418,906.47 : x
  2. Step 2: Convert to fraction form
    614,815.89/848,598.05 = 418,906.47/x
  3. Step 3: Cross multiply
    614,815.89x = 848,598.05 × 418,906.47
  4. Step 4: Simplify right side
    614,815.89x = 355,483,211,479.85
  5. Step 5: Solve for x
    x = 355,483,211,479.85/614,815.89
  6. Step 6: Final answer
    x = 578,194.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.